The difference between Hang around and Tarry

When used as verbs, hang around means to stay, linger or loiter, whereas tarry means to delay.

Tarry is also noun with the meaning: a sojourn.

Tarry is also adjective with the meaning: resembling tar.

check bellow for the other definitions of Hang around and Tarry

Hang around as a verb (idiomatic):

to stay, linger or loiter

Examples:

"If you hang around after the show, you can meet the cast."
Hang around as a verb (idiomatic):

to spend time or be friends (especially to hang around with someone)

Examples:

"My daughter likes to hang around with older kids after school."

Tarry as a verb (intransitive, dated):

To delay; to be late or tardy in beginning or doing anything.

Examples:

"It is true that the Messiah will come, though he may tarry''. ([http://en.wikipedia.org/wiki/Christopher_Hitchens Hitchens] quoting translated [[Maimonides]])"
Tarry as a verb (intransitive, dated):

To linger in expectation of something or until something is done or happens.
Tarry as a verb (intransitive, dated):

To abide, stay or wait somewhere, especially if longer than planned.
Tarry as a verb (intransitive, dated):

To stay somewhere temporarily; to sojourn.
Tarry as a verb (transitive, dated):

To wait for; to stay or stop for; to allow to linger.